user
Describe the usage of feature X in the following product.
Product Description:
Automatic vacuum cleaner with sensor-based navigation that allows it to automatically adjust its speed and adjust cleaning pattern to clean the entire house.

assistant
The feature X on the vacuum cleaner is a sensor-based navigation system which allows it to automatically adjust to the environment it is in. This means it can adjust its speed and cleaning pattern according to the space being cleaned for a more efficient and thorough clean. As a result, the vacuum cleaner is able to clean the entire house without any hassle from the user.